Varafine™ VFSG Series Filter Cartridges
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High Flow Asymmetric Membrane Filter Cartridge
- Absolute Rated at >99.9% Efficiency With Retention Ratings of 0.05, 0.1, 0.2, 0.45, 0.65, 0.8, or 1.2 µm
- Proprietary Highly Asymmetric Membrane Ensures Superior Flow Rates and Long Life
- Contaminants Trapped and Held by Positive Mechanical Retention
- Manufactured in an ISO Class 7 Cleanroom
- Pre-Flushed and Tested with Ultrapure 18 Megohm-cm Water
- Compatible with Most Sanitizing Agents
Performance Specifications
Filter Grades (>99.9% Retention Rating by Standard Latex Bead Challenge):0.05, 0.1, 0.2, 0.45, 0.65, 0.8, 1.2 µm
Maximum Differential Pressure:
80 psid (5.5 bard) @ 68°F (20°C)
20 psid (1.4 bard) @ 203°F (95°C)
Recommended Changeout Differential Pressure1:
35 psid (2.4 bard)
Chemical Compatibility:
Cartridge resists most acids and bases, pH 1-14, and most oxidizing agents. Consult factory for specific application information.
Sanitizing Agents:
Cartridge may be sanitized in place with common oxidizing agents. Consult factory for compatibility information.
Rinse-Up:
Cartridges will rinse-up to 18 Megohm-cm in less than
6 minutes at a flow rate of 2.6 gpm (10 lpm).
Product Specifications
Materials of Construction:| Filter Media: | Hydrophilic Highly Asymmetric |
| Polysulfone Membrane | |
| Support Material: | Polypropylene |
| Hardware: | Polypropylene |
| Surface Treatment: | Hydroxypropylcellulose |
| Sealing: | Thermal Bond |
| Gaskets/O-rings: | Silicone Elastomer, EPDM, Buna N, |
| Fluoroelastomer, FEP Encapsulated Silicone, | |
| FEP Encapsulated Fluoroelastomer, Expanded PTFE, White Silicone |
Dimensions (nominal):
| Outside Diameter: | 2 3/5" (6.6 cm) |
| Lengths: | 4" (10.2 cm), 10" (25.4 cm), |
| 20" (50.8 cm), 30" (76.2 cm), 40" (102 cm) | |
1 Provided that the maximum differential pressure is not exceeded based on temperature limits defined above.
Liquid Flow Specifications
| Filter Grade (µm) | DI Water Flow (10" equivalent) | |
|---|---|---|
|
GPM/PSID | lpm/mbard | |
| 0.05 | 1.0 | 0.05 |
| 0.1 | 1.7 | 0.09 |
| 0.2 | 3.0 | 0.16 |
| 0.45 | 5.5 | 0.30 |
| 0.65 | 6.0 | 0.33 |
| 0.8 | 7.0 | 0.38 |
| 1.2 | 8.0 | 0.44 |
Part Numbers/Ordering Information
VFSG
– 
(e.g., VFSG100–10M3S)| Code |
Filter Grades |
|---|---|
| 050 | 0.05 µm |
| 100 | 0.1 µm |
| 200 | 0.2 µm |
| 450 | 0.45 µm |
| 650 | 0.65 µm |
| 800 | 0.8 µm |
| 1200 | 1.2 µm |
| Code |
Cartridge Lengths (nominal) |
|---|---|
| 4 | 4" |
| 10 | 10" |
| 20 | 20" |
| 30 | 30" |
| 40 | 40" |
| Code |
End Configurations |
|---|---|
| M2 | SOE flat closed end, fits housings with 020 O-ring post |
| M3 | SOE flat closed end, external 222 O-rings (retrofits other manufacturers’ Code 0)2 |
| M5 | DOE, internal 120 O-rings (retrofits 213 O-ring style)2 |
| M6 | SOE flat closed end, external 226 O-rings (retrofits other manufacturers’ Code 6)2 |
| M7 | SOE fin end, external 226 O-rings (retrofits other manufacturers’ Code 7)2 |
| M8 | SOE fin end, external 222 O-rings (retrofits other manufacturers’ Code 5)2 |
| M10 | DOE, internal O-rings (fits other manufacturers’ housings)2 |
| M11 | SOE flat closed end, internal 120 O-ring (retrofits other manufacturers’ X-style)2 |
| DOE | DOE with elastomer gasket seal and end caps |
| Code |
Gasket/O-ring Materials |
|---|---|
| S | Silicone |
| E | Nordel |
| V | Fluoroelastomer |
| N | Buna N (standard gaskets) |
| M | White Silicone (O-rings) |
| T | FEP Encapsulated Silicone (O-rings) |
| F | FEP Encapsulated Fluoroelastomer (O-rings) |
| T | Expanded PTFE (gaskets) |